Leidos

Software Developer II

Leidos  •  $70k - $126k/yr  •  United States (Onsite)  •  28 days ago
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Job Description

Leidos is seeking a Software Developer in support of NASA’s National Security Systems team. This role is responsible for full-stack development, maintaining and developing web portals supporting case management and team site portals that support the security posture of networks, servers, endpoints, and other systems. This position requires the ability to work independently with general direction. Join us at AEGIS where the sky is NOT the limit!

Primary Responsibilities

The Software Developer will:

  • The full-stack web developer will maintain and develop existing websites and applications supporting case management and NSS Team site workflows.
  • This includes assessments and consultations on the design of C#, vue.js, javescript, bootstrap, .net framework, .net 10.0, Sql Server, Sql Scripting, Java web tools, Microsoft Visual Studio web projects, applications, server management, and development of new applications.
  • Work closely with the project manager, development team, information system security manager; however, the Sponsor project manager will manage the priorities.
  • Provide occasional on-call duty as needed.
  • Assess and validate software requirements across the organization.
  • Provide architectural design and web development support to meet web application requirements.
  • Participate in software design discussions and recommend implementation of the tools, technologies and techniques.
  • Redesign the existing Web, Software applications to add new features, optimize, scale or improve stability and performance.
  • Provide O&M and content management support for Sponsor’s Web, software sites.

Basic Qualifications

  • Bachelor’s degree and 4+ years of prior relevant experience.
  • Demonstrated full-stack development experience, including developing, deploying, and maintaining software applications and systems.
  • Proven ability to identify and validate requirements for software applications and websites.
  • Working knowledge of virtual architectures and environments.
  • Demonstrated ability to add new features, optimize and scale applications, and improve application and web performance and stability.
  • Proficiency with C#, .NET Framework, .NET, and ASP.NET MVC.
  • Experience with Vue.js, JavaScript, Bootstrap, SQL Server, SQL scripting, Java web tools, Git version control, Microsoft Visual Studio web projects, IIS, application and server management, and new application development.

Preferred Qualifications

Ideal candidates possess a deep understanding of the following areas:

  • Software application development.
  • Web development and IIS.
  • Programming with HTML.
  • Developing and administering Windows based applications.
  • Experience with customer applications at this location, to include the case management system and work process management systems.
  • UI/UX expertise, CSS frameworks (Material, Bootstrap, etc.)
  • Expert proficiency with software design patterns and best practices.
  • Self-starter, works under limited guidance and well with ambiguity.
  • Strong critical thinking skills, test-driven development, object-oriented solid development foundation.

Clearance Requirements

  • U.S. Citizenship is required.
  • Must possess an active Secret clearance; Top Secret clearance preferred.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

August 31, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $69,550.00 - $125,725.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos

About Leidos

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.

Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.

Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.

Your most important work is ahead, visit careers.leidos.com for our latest opportunities.

Industry
Aviation & Aerospace
Company Size
10,000+ employees
Headquarters
Reston, Virginia
Year Founded
1969
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